Are getting biger and biger since a new architecture proposed by Google in 2017 (Transformers)
ChatGPT is a LLM (GPT-3 or 4) from OpenAI that is optimized for conversations (a very performant chatbot).
ChatGPT has strong limitations:
Beyond history, LLMs and AI might become the main mode of ‘mediated’ memory.
ChatGPT prompts are not available.
For LLM that generated images, one model is open source (Stable Diffusion).
Lexica.art is an AI generated image search engine, with prompts.